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<pre><span class="sourceLineNo">001</span>/* ===========================================================<a name="line.1"></a>
<span class="sourceLineNo">002</span> * JFreeChart : a free chart library for the Java(tm) platform<a name="line.2"></a>
<span class="sourceLineNo">003</span> * ===========================================================<a name="line.3"></a>
<span class="sourceLineNo">004</span> *<a name="line.4"></a>
<span class="sourceLineNo">005</span> * (C) Copyright 2000-2011, by Object Refinery Limited and Contributors.<a name="line.5"></a>
<span class="sourceLineNo">006</span> *<a name="line.6"></a>
<span class="sourceLineNo">007</span> * Project Info:  http://www.jfree.org/jfreechart/index.html<a name="line.7"></a>
<span class="sourceLineNo">008</span> *<a name="line.8"></a>
<span class="sourceLineNo">009</span> * This library is free software; you can redistribute it and/or modify it<a name="line.9"></a>
<span class="sourceLineNo">010</span> * under the terms of the GNU Lesser General Public License as published by<a name="line.10"></a>
<span class="sourceLineNo">011</span> * the Free Software Foundation; either version 2.1 of the License, or<a name="line.11"></a>
<span class="sourceLineNo">012</span> * (at your option) any later version.<a name="line.12"></a>
<span class="sourceLineNo">013</span> *<a name="line.13"></a>
<span class="sourceLineNo">014</span> * This library is distributed in the hope that it will be useful, but<a name="line.14"></a>
<span class="sourceLineNo">015</span> * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY<a name="line.15"></a>
<span class="sourceLineNo">016</span> * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public<a name="line.16"></a>
<span class="sourceLineNo">017</span> * License for more details.<a name="line.17"></a>
<span class="sourceLineNo">018</span> *<a name="line.18"></a>
<span class="sourceLineNo">019</span> * You should have received a copy of the GNU Lesser General Public<a name="line.19"></a>
<span class="sourceLineNo">020</span> * License along with this library; if not, write to the Free Software<a name="line.20"></a>
<span class="sourceLineNo">021</span> * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301,<a name="line.21"></a>
<span class="sourceLineNo">022</span> * USA.<a name="line.22"></a>
<span class="sourceLineNo">023</span> *<a name="line.23"></a>
<span class="sourceLineNo">024</span> * [Oracle and Java are registered trademarks of Oracle and/or its affiliates. <a name="line.24"></a>
<span class="sourceLineNo">025</span> * Other names may be trademarks of their respective owners.]<a name="line.25"></a>
<span class="sourceLineNo">026</span> *<a name="line.26"></a>
<span class="sourceLineNo">027</span> * --------------------------<a name="line.27"></a>
<span class="sourceLineNo">028</span> * DefaultTableXYDataset.java<a name="line.28"></a>
<span class="sourceLineNo">029</span> * --------------------------<a name="line.29"></a>
<span class="sourceLineNo">030</span> * (C) Copyright 2003-2009, by Richard Atkinson and Contributors.<a name="line.30"></a>
<span class="sourceLineNo">031</span> *<a name="line.31"></a>
<span class="sourceLineNo">032</span> * Original Author:  Richard Atkinson;<a name="line.32"></a>
<span class="sourceLineNo">033</span> * Contributor(s):   Jody Brownell;<a name="line.33"></a>
<span class="sourceLineNo">034</span> *                   David Gilbert (for Object Refinery Limited);<a name="line.34"></a>
<span class="sourceLineNo">035</span> *                   Andreas Schroeder;<a name="line.35"></a>
<span class="sourceLineNo">036</span> *<a name="line.36"></a>
<span class="sourceLineNo">037</span> * Changes:<a name="line.37"></a>
<span class="sourceLineNo">038</span> * --------<a name="line.38"></a>
<span class="sourceLineNo">039</span> * 27-Jul-2003 : XYDataset that forces each series to have a value for every<a name="line.39"></a>
<span class="sourceLineNo">040</span> *               X-point which is essential for stacked XY area charts (RA);<a name="line.40"></a>
<span class="sourceLineNo">041</span> * 18-Aug-2003 : Fixed event notification when removing and updating<a name="line.41"></a>
<span class="sourceLineNo">042</span> *               series (RA);<a name="line.42"></a>
<span class="sourceLineNo">043</span> * 22-Sep-2003 : Functionality moved from TableXYDataset to<a name="line.43"></a>
<span class="sourceLineNo">044</span> *               DefaultTableXYDataset (RA);<a name="line.44"></a>
<span class="sourceLineNo">045</span> * 23-Dec-2003 : Added patch for large datasets, submitted by Jody<a name="line.45"></a>
<span class="sourceLineNo">046</span> *               Brownell (DG);<a name="line.46"></a>
<span class="sourceLineNo">047</span> * 16-Feb-2004 : Added pruning methods (DG);<a name="line.47"></a>
<span class="sourceLineNo">048</span> * 31-Mar-2004 : Provisional implementation of IntervalXYDataset (AS);<a name="line.48"></a>
<span class="sourceLineNo">049</span> * 01-Apr-2004 : Sound implementation of IntervalXYDataset (AS);<a name="line.49"></a>
<span class="sourceLineNo">050</span> * 05-May-2004 : Now extends AbstractIntervalXYDataset (DG);<a name="line.50"></a>
<span class="sourceLineNo">051</span> * 15-Jul-2004 : Switched getX() with getXValue() and getY() with<a name="line.51"></a>
<span class="sourceLineNo">052</span> *               getYValue() (DG);<a name="line.52"></a>
<span class="sourceLineNo">053</span> * 18-Aug-2004 : Moved from org.jfree.data --&gt; org.jfree.data.xy (DG);<a name="line.53"></a>
<span class="sourceLineNo">054</span> * 11-Jan-2005 : Removed deprecated code in preparation for the 1.0.0<a name="line.54"></a>
<span class="sourceLineNo">055</span> *               release (DG);<a name="line.55"></a>
<span class="sourceLineNo">056</span> * 05-Oct-2005 : Made the interval delegate a dataset listener (DG);<a name="line.56"></a>
<span class="sourceLineNo">057</span> * 02-Feb-2007 : Removed author tags all over JFreeChart sources (DG);<a name="line.57"></a>
<span class="sourceLineNo">058</span> * 22-Apr-2008 : Implemented PublicCloneable (DG);<a name="line.58"></a>
<span class="sourceLineNo">059</span> * 10-Jun-2009 : Simplified getX() and getY() (DG);<a name="line.59"></a>
<span class="sourceLineNo">060</span> * <a name="line.60"></a>
<span class="sourceLineNo">061</span> */<a name="line.61"></a>
<span class="sourceLineNo">062</span><a name="line.62"></a>
<span class="sourceLineNo">063</span>package org.jfree.data.xy;<a name="line.63"></a>
<span class="sourceLineNo">064</span><a name="line.64"></a>
<span class="sourceLineNo">065</span>import java.util.ArrayList;<a name="line.65"></a>
<span class="sourceLineNo">066</span>import java.util.HashSet;<a name="line.66"></a>
<span class="sourceLineNo">067</span>import java.util.Iterator;<a name="line.67"></a>
<span class="sourceLineNo">068</span>import java.util.List;<a name="line.68"></a>
<span class="sourceLineNo">069</span><a name="line.69"></a>
<span class="sourceLineNo">070</span>import org.jfree.data.DomainInfo;<a name="line.70"></a>
<span class="sourceLineNo">071</span>import org.jfree.data.Range;<a name="line.71"></a>
<span class="sourceLineNo">072</span>import org.jfree.data.general.DatasetChangeEvent;<a name="line.72"></a>
<span class="sourceLineNo">073</span>import org.jfree.data.general.DatasetUtilities;<a name="line.73"></a>
<span class="sourceLineNo">074</span>import org.jfree.data.general.SeriesChangeEvent;<a name="line.74"></a>
<span class="sourceLineNo">075</span>import org.jfree.util.ObjectUtilities;<a name="line.75"></a>
<span class="sourceLineNo">076</span>import org.jfree.util.PublicCloneable;<a name="line.76"></a>
<span class="sourceLineNo">077</span><a name="line.77"></a>
<span class="sourceLineNo">078</span>/**<a name="line.78"></a>
<span class="sourceLineNo">079</span> * An {@link XYDataset} where every series shares the same x-values (required<a name="line.79"></a>
<span class="sourceLineNo">080</span> * for generating stacked area charts).<a name="line.80"></a>
<span class="sourceLineNo">081</span> */<a name="line.81"></a>
<span class="sourceLineNo">082</span>public class DefaultTableXYDataset extends AbstractIntervalXYDataset<a name="line.82"></a>
<span class="sourceLineNo">083</span>        implements TableXYDataset, IntervalXYDataset, DomainInfo,<a name="line.83"></a>
<span class="sourceLineNo">084</span>                   PublicCloneable {<a name="line.84"></a>
<span class="sourceLineNo">085</span><a name="line.85"></a>
<span class="sourceLineNo">086</span>    /**<a name="line.86"></a>
<span class="sourceLineNo">087</span>     * Storage for the data - this list will contain zero, one or many<a name="line.87"></a>
<span class="sourceLineNo">088</span>     * XYSeries objects.<a name="line.88"></a>
<span class="sourceLineNo">089</span>     */<a name="line.89"></a>
<span class="sourceLineNo">090</span>    private List data = null;<a name="line.90"></a>
<span class="sourceLineNo">091</span><a name="line.91"></a>
<span class="sourceLineNo">092</span>    /** Storage for the x values. */<a name="line.92"></a>
<span class="sourceLineNo">093</span>    private HashSet xPoints = null;<a name="line.93"></a>
<span class="sourceLineNo">094</span><a name="line.94"></a>
<span class="sourceLineNo">095</span>    /** A flag that controls whether or not events are propogated. */<a name="line.95"></a>
<span class="sourceLineNo">096</span>    private boolean propagateEvents = true;<a name="line.96"></a>
<span class="sourceLineNo">097</span><a name="line.97"></a>
<span class="sourceLineNo">098</span>    /** A flag that controls auto pruning. */<a name="line.98"></a>
<span class="sourceLineNo">099</span>    private boolean autoPrune = false;<a name="line.99"></a>
<span class="sourceLineNo">100</span><a name="line.100"></a>
<span class="sourceLineNo">101</span>    /** The delegate used to control the interval width. */<a name="line.101"></a>
<span class="sourceLineNo">102</span>    private IntervalXYDelegate intervalDelegate;<a name="line.102"></a>
<span class="sourceLineNo">103</span><a name="line.103"></a>
<span class="sourceLineNo">104</span>    /**<a name="line.104"></a>
<span class="sourceLineNo">105</span>     * Creates a new empty dataset.<a name="line.105"></a>
<span class="sourceLineNo">106</span>     */<a name="line.106"></a>
<span class="sourceLineNo">107</span>    public DefaultTableXYDataset() {<a name="line.107"></a>
<span class="sourceLineNo">108</span>        this(false);<a name="line.108"></a>
<span class="sourceLineNo">109</span>    }<a name="line.109"></a>
<span class="sourceLineNo">110</span><a name="line.110"></a>
<span class="sourceLineNo">111</span>    /**<a name="line.111"></a>
<span class="sourceLineNo">112</span>     * Creates a new empty dataset.<a name="line.112"></a>
<span class="sourceLineNo">113</span>     *<a name="line.113"></a>
<span class="sourceLineNo">114</span>     * @param autoPrune  a flag that controls whether or not x-values are<a name="line.114"></a>
<span class="sourceLineNo">115</span>     *                   removed whenever the corresponding y-values are all<a name="line.115"></a>
<span class="sourceLineNo">116</span>     *                   &lt;code&gt;null&lt;/code&gt;.<a name="line.116"></a>
<span class="sourceLineNo">117</span>     */<a name="line.117"></a>
<span class="sourceLineNo">118</span>    public DefaultTableXYDataset(boolean autoPrune) {<a name="line.118"></a>
<span class="sourceLineNo">119</span>        this.autoPrune = autoPrune;<a name="line.119"></a>
<span class="sourceLineNo">120</span>        this.data = new ArrayList();<a name="line.120"></a>
<span class="sourceLineNo">121</span>        this.xPoints = new HashSet();<a name="line.121"></a>
<span class="sourceLineNo">122</span>        this.intervalDelegate = new IntervalXYDelegate(this, false);<a name="line.122"></a>
<span class="sourceLineNo">123</span>        addChangeListener(this.intervalDelegate);<a name="line.123"></a>
<span class="sourceLineNo">124</span>    }<a name="line.124"></a>
<span class="sourceLineNo">125</span><a name="line.125"></a>
<span class="sourceLineNo">126</span>    /**<a name="line.126"></a>
<span class="sourceLineNo">127</span>     * Returns the flag that controls whether or not x-values are removed from<a name="line.127"></a>
<span class="sourceLineNo">128</span>     * the dataset when the corresponding y-values are all &lt;code&gt;null&lt;/code&gt;.<a name="line.128"></a>
<span class="sourceLineNo">129</span>     *<a name="line.129"></a>
<span class="sourceLineNo">130</span>     * @return A boolean.<a name="line.130"></a>
<span class="sourceLineNo">131</span>     */<a name="line.131"></a>
<span class="sourceLineNo">132</span>    public boolean isAutoPrune() {<a name="line.132"></a>
<span class="sourceLineNo">133</span>        return this.autoPrune;<a name="line.133"></a>
<span class="sourceLineNo">134</span>    }<a name="line.134"></a>
<span class="sourceLineNo">135</span><a name="line.135"></a>
<span class="sourceLineNo">136</span>    /**<a name="line.136"></a>
<span class="sourceLineNo">137</span>     * Adds a series to the collection and sends a {@link DatasetChangeEvent}<a name="line.137"></a>
<span class="sourceLineNo">138</span>     * to all registered listeners.  The series should be configured to NOT<a name="line.138"></a>
<span class="sourceLineNo">139</span>     * allow duplicate x-values.<a name="line.139"></a>
<span class="sourceLineNo">140</span>     *<a name="line.140"></a>
<span class="sourceLineNo">141</span>     * @param series  the series (&lt;code&gt;null&lt;/code&gt; not permitted).<a name="line.141"></a>
<span class="sourceLineNo">142</span>     */<a name="line.142"></a>
<span class="sourceLineNo">143</span>    public void addSeries(XYSeries series) {<a name="line.143"></a>
<span class="sourceLineNo">144</span>        if (series == null) {<a name="line.144"></a>
<span class="sourceLineNo">145</span>            throw new IllegalArgumentException("Null 'series' argument.");<a name="line.145"></a>
<span class="sourceLineNo">146</span>        }<a name="line.146"></a>
<span class="sourceLineNo">147</span>        if (series.getAllowDuplicateXValues()) {<a name="line.147"></a>
<span class="sourceLineNo">148</span>            throw new IllegalArgumentException(<a name="line.148"></a>
<span class="sourceLineNo">149</span>                "Cannot accept XYSeries that allow duplicate values. "<a name="line.149"></a>
<span class="sourceLineNo">150</span>                + "Use XYSeries(seriesName, &lt;sort&gt;, false) constructor."<a name="line.150"></a>
<span class="sourceLineNo">151</span>            );<a name="line.151"></a>
<span class="sourceLineNo">152</span>        }<a name="line.152"></a>
<span class="sourceLineNo">153</span>        updateXPoints(series);<a name="line.153"></a>
<span class="sourceLineNo">154</span>        this.data.add(series);<a name="line.154"></a>
<span class="sourceLineNo">155</span>        series.addChangeListener(this);<a name="line.155"></a>
<span class="sourceLineNo">156</span>        fireDatasetChanged();<a name="line.156"></a>
<span class="sourceLineNo">157</span>    }<a name="line.157"></a>
<span class="sourceLineNo">158</span><a name="line.158"></a>
<span class="sourceLineNo">159</span>    /**<a name="line.159"></a>
<span class="sourceLineNo">160</span>     * Adds any unique x-values from 'series' to the dataset, and also adds any<a name="line.160"></a>
<span class="sourceLineNo">161</span>     * x-values that are in the dataset but not in 'series' to the series.<a name="line.161"></a>
<span class="sourceLineNo">162</span>     *<a name="line.162"></a>
<span class="sourceLineNo">163</span>     * @param series  the series (&lt;code&gt;null&lt;/code&gt; not permitted).<a name="line.163"></a>
<span class="sourceLineNo">164</span>     */<a name="line.164"></a>
<span class="sourceLineNo">165</span>    private void updateXPoints(XYSeries series) {<a name="line.165"></a>
<span class="sourceLineNo">166</span>        if (series == null) {<a name="line.166"></a>
<span class="sourceLineNo">167</span>            throw new IllegalArgumentException("Null 'series' not permitted.");<a name="line.167"></a>
<span class="sourceLineNo">168</span>        }<a name="line.168"></a>
<span class="sourceLineNo">169</span>        HashSet seriesXPoints = new HashSet();<a name="line.169"></a>
<span class="sourceLineNo">170</span>        boolean savedState = this.propagateEvents;<a name="line.170"></a>
<span class="sourceLineNo">171</span>        this.propagateEvents = false;<a name="line.171"></a>
<span class="sourceLineNo">172</span>        for (int itemNo = 0; itemNo &lt; series.getItemCount(); itemNo++) {<a name="line.172"></a>
<span class="sourceLineNo">173</span>            Number xValue = series.getX(itemNo);<a name="line.173"></a>
<span class="sourceLineNo">174</span>            seriesXPoints.add(xValue);<a name="line.174"></a>
<span class="sourceLineNo">175</span>            if (!this.xPoints.contains(xValue)) {<a name="line.175"></a>
<span class="sourceLineNo">176</span>                this.xPoints.add(xValue);<a name="line.176"></a>
<span class="sourceLineNo">177</span>                int seriesCount = this.data.size();<a name="line.177"></a>
<span class="sourceLineNo">178</span>                for (int seriesNo = 0; seriesNo &lt; seriesCount; seriesNo++) {<a name="line.178"></a>
<span class="sourceLineNo">179</span>                    XYSeries dataSeries = (XYSeries) this.data.get(seriesNo);<a name="line.179"></a>
<span class="sourceLineNo">180</span>                    if (!dataSeries.equals(series)) {<a name="line.180"></a>
<span class="sourceLineNo">181</span>                        dataSeries.add(xValue, null);<a name="line.181"></a>
<span class="sourceLineNo">182</span>                    }<a name="line.182"></a>
<span class="sourceLineNo">183</span>                }<a name="line.183"></a>
<span class="sourceLineNo">184</span>            }<a name="line.184"></a>
<span class="sourceLineNo">185</span>        }<a name="line.185"></a>
<span class="sourceLineNo">186</span>        Iterator iterator = this.xPoints.iterator();<a name="line.186"></a>
<span class="sourceLineNo">187</span>        while (iterator.hasNext()) {<a name="line.187"></a>
<span class="sourceLineNo">188</span>            Number xPoint = (Number) iterator.next();<a name="line.188"></a>
<span class="sourceLineNo">189</span>            if (!seriesXPoints.contains(xPoint)) {<a name="line.189"></a>
<span class="sourceLineNo">190</span>                series.add(xPoint, null);<a name="line.190"></a>
<span class="sourceLineNo">191</span>            }<a name="line.191"></a>
<span class="sourceLineNo">192</span>        }<a name="line.192"></a>
<span class="sourceLineNo">193</span>        this.propagateEvents = savedState;<a name="line.193"></a>
<span class="sourceLineNo">194</span>    }<a name="line.194"></a>
<span class="sourceLineNo">195</span><a name="line.195"></a>
<span class="sourceLineNo">196</span>    /**<a name="line.196"></a>
<span class="sourceLineNo">197</span>     * Updates the x-values for all the series in the dataset.<a name="line.197"></a>
<span class="sourceLineNo">198</span>     */<a name="line.198"></a>
<span class="sourceLineNo">199</span>    public void updateXPoints() {<a name="line.199"></a>
<span class="sourceLineNo">200</span>        this.propagateEvents = false;<a name="line.200"></a>
<span class="sourceLineNo">201</span>        for (int s = 0; s &lt; this.data.size(); s++) {<a name="line.201"></a>
<span class="sourceLineNo">202</span>            updateXPoints((XYSeries) this.data.get(s));<a name="line.202"></a>
<span class="sourceLineNo">203</span>        }<a name="line.203"></a>
<span class="sourceLineNo">204</span>        if (this.autoPrune) {<a name="line.204"></a>
<span class="sourceLineNo">205</span>            prune();<a name="line.205"></a>
<span class="sourceLineNo">206</span>        }<a name="line.206"></a>
<span class="sourceLineNo">207</span>        this.propagateEvents = true;<a name="line.207"></a>
<span class="sourceLineNo">208</span>    }<a name="line.208"></a>
<span class="sourceLineNo">209</span><a name="line.209"></a>
<span class="sourceLineNo">210</span>    /**<a name="line.210"></a>
<span class="sourceLineNo">211</span>     * Returns the number of series in the collection.<a name="line.211"></a>
<span class="sourceLineNo">212</span>     *<a name="line.212"></a>
<span class="sourceLineNo">213</span>     * @return The series count.<a name="line.213"></a>
<span class="sourceLineNo">214</span>     */<a name="line.214"></a>
<span class="sourceLineNo">215</span>    public int getSeriesCount() {<a name="line.215"></a>
<span class="sourceLineNo">216</span>        return this.data.size();<a name="line.216"></a>
<span class="sourceLineNo">217</span>    }<a name="line.217"></a>
<span class="sourceLineNo">218</span><a name="line.218"></a>
<span class="sourceLineNo">219</span>    /**<a name="line.219"></a>
<span class="sourceLineNo">220</span>     * Returns the number of x values in the dataset.<a name="line.220"></a>
<span class="sourceLineNo">221</span>     *<a name="line.221"></a>
<span class="sourceLineNo">222</span>     * @return The number of x values in the dataset.<a name="line.222"></a>
<span class="sourceLineNo">223</span>     */<a name="line.223"></a>
<span class="sourceLineNo">224</span>    public int getItemCount() {<a name="line.224"></a>
<span class="sourceLineNo">225</span>        if (this.xPoints == null) {<a name="line.225"></a>
<span class="sourceLineNo">226</span>            return 0;<a name="line.226"></a>
<span class="sourceLineNo">227</span>        }<a name="line.227"></a>
<span class="sourceLineNo">228</span>        else {<a name="line.228"></a>
<span class="sourceLineNo">229</span>            return this.xPoints.size();<a name="line.229"></a>
<span class="sourceLineNo">230</span>        }<a name="line.230"></a>
<span class="sourceLineNo">231</span>    }<a name="line.231"></a>
<span class="sourceLineNo">232</span><a name="line.232"></a>
<span class="sourceLineNo">233</span>    /**<a name="line.233"></a>
<span class="sourceLineNo">234</span>     * Returns a series.<a name="line.234"></a>
<span class="sourceLineNo">235</span>     *<a name="line.235"></a>
<span class="sourceLineNo">236</span>     * @param series  the series (zero-based index).<a name="line.236"></a>
<span class="sourceLineNo">237</span>     *<a name="line.237"></a>
<span class="sourceLineNo">238</span>     * @return The series (never &lt;code&gt;null&lt;/code&gt;).<a name="line.238"></a>
<span class="sourceLineNo">239</span>     */<a name="line.239"></a>
<span class="sourceLineNo">240</span>    public XYSeries getSeries(int series) {<a name="line.240"></a>
<span class="sourceLineNo">241</span>        if ((series &lt; 0) || (series &gt;= getSeriesCount())) {<a name="line.241"></a>
<span class="sourceLineNo">242</span>            throw new IllegalArgumentException("Index outside valid range.");<a name="line.242"></a>
<span class="sourceLineNo">243</span>        }<a name="line.243"></a>
<span class="sourceLineNo">244</span>        return (XYSeries) this.data.get(series);<a name="line.244"></a>
<span class="sourceLineNo">245</span>    }<a name="line.245"></a>
<span class="sourceLineNo">246</span><a name="line.246"></a>
<span class="sourceLineNo">247</span>    /**<a name="line.247"></a>
<span class="sourceLineNo">248</span>     * Returns the key for a series.<a name="line.248"></a>
<span class="sourceLineNo">249</span>     *<a name="line.249"></a>
<span class="sourceLineNo">250</span>     * @param series  the series (zero-based index).<a name="line.250"></a>
<span class="sourceLineNo">251</span>     *<a name="line.251"></a>
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<span class="sourceLineNo">660</span>}<a name="line.660"></a>




























































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